N91 over Mirdan Canal
GoodGarfield County, Nebraska · 3W Burwell · Structure no. S091 05636
- Built
- 1982
- 43 years old
- Condition
- Good
- inspected March 2021
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 56 ft
- 1 main span
- Daily traffic
- 1,385
- 2018 count
- Owner
- State
- State Highway Agency
About this bridge
N91 over Mirdan Canal is a prestressed concrete stringer/multi-beam or girder carrying N91 over Mirdan Canal in Garfield County, Nebraska. It was built in 1982, so it is 43 years old, younger than the Nebraska average of 47.1 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 1,385 vehicles a day, roughly 16% of them trucks, projected to reach 1,801 by 2038. The structure is 56 ft (17.1 m) long and 34 ft wide. If it were closed, the detour would be 31.1 mi (50 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was N91 over Mirdan Canal built?
It was built in 1982, making it 43 years old in 2025.
What condition is N91 over Mirdan Canal in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2021.
How much traffic does N91 over Mirdan Canal carry?
About 1,385 vehicles per day (2018 count), of which roughly 16% are trucks.
How long is N91 over Mirdan Canal?
The structure is 56 ft (17.1 m) long with a longest span of 54 ft (16.5 m) and a deck 34 ft wide.
Who owns N91 over Mirdan Canal?
It is owned by the State Highway Agency.